Non-Compliance
Clean Water Act
CITY OF COLUMBIA WASTEWATER TREATMENT PLANT
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $0 in total penalties since records began.
- Address
-
1244 TREATMENT PLANT ROAD
COLUMBIA, TN 38401
View on map ↗ - County
- MAURY County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 11 · last Jul 9, 2025
- Total Penalties
- $0 · last Sep 30, 2014
- Registry ID
- 110000537811
Compliance Status (Last 12 Quarters)
Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.
10
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
Discharge Limit Exceedances
Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.
| Pollutant | Violation | Reported | Limit | Exceedance | Period | Status |
|---|---|---|---|---|---|---|
| SSO, Wet Weather | DMR, Limited - Numeric Violation | 0.03 occur/d | 0.00 | +2,147,483,650% | Feb 2026 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 69.00 mg/L | 45.00 | +53% | Feb 2026 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 11.40 mg/L | 8.00 | +43% | Feb 2026 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 23.10 mg/L | 21.00 | +10% | Feb 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.23 mg/L | 1.50 | +249% | Feb 2026 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 34.80 mg/L | 28.00 | +24% | Feb 2026 | Open |
| SSO, Wet Weather | DMR, Limited - Numeric Violation | 0.03 occur/d | 0.00 | +2,147,483,650% | Jan 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.74 mg/L | 1.50 | +16% | Jan 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.58 mg/L | 1.50 | +139% | Dec 2025 | Open |
| SSO, Dry Weather | DMR, Limited - Numeric Violation | 0.03 occur/d | 0.00 | +2,147,483,650% | Nov 2025 | Open |
| SSO, Wet Weather | DMR, Limited - Numeric Violation | 0.03 occur/d | 0.00 | +2,147,483,650% | Sep 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 816.40 MPN/100mL | 487.00 | +68% | Jul 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 613.10 MPN/100mL | 487.00 | +26% | Jun 2025 | Open |
| SSO, Dry Weather | DMR, Limited - Numeric Violation | 0.03 occur/d | 0.00 | +2,147,483,650% | Jun 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.37 mg/L | 1.00 | +137% | May 2025 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 613.10 MPN/100mL | 487.00 | +26% | May 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.19 mg/L | 5.25 | +18% | May 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.86 mg/L | 1.50 | +91% | Apr 2025 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 487.00 | +99,999% | Apr 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.20 mg/L | 10.00 | +2% | Apr 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 110.00 mg/L | 45.00 | +144% | Mar 2025 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 26.80 mg/L | 24.50 | +9% | Mar 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 2,344.59 kg/d | 1,060.09 | +121% | Mar 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.64 mg/L | 1.50 | +9% | Mar 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 21.80 mg/L | 21.00 | +4% | Mar 2025 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 1,250.00 kg/d | 927.52 | +35% | Mar 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 487.00 | +99,999% | Mar 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 50.70 mg/L | 28.00 | +81% | Mar 2025 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 11.50 mg/L | 8.00 | +44% | Mar 2025 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 0.00 % | 40.00 | +67% | Mar 2025 | Open |
| BOD, carbonaceous, percent removal | DMR, Limited - Numeric Violation | 36.30 % | 40.00 | +6% | Mar 2025 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 58.00 mg/L | 40.00 | +45% | Mar 2025 | Open |
| Solids, settleable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +1,000% | Mar 2025 | Open |
| SSO, Wet Weather | DMR, Limited - Numeric Violation | 0.03 occur/d | 0.00 | +2,147,483,650% | Mar 2025 | Open |
| SSO, Wet Weather | DMR, Limited - Numeric Violation | 0.07 occur/d | 0.00 | +2,147,483,650% | Feb 2025 | Open |
| SSO, Dry Weather | DMR, Limited - Numeric Violation | 0.03 occur/d | 0.00 | +2,147,483,650% | Feb 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.66 mg/L | 1.50 | +11% | Feb 2025 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 648.80 MPN/100mL | 487.00 | +33% | Jan 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.95 mg/L | 1.50 | +164% | Jan 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.78 mg/L | 1.50 | +18% | Dec 2024 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 1,732.90 MPN/100mL | 487.00 | +256% | Dec 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 1,553.10 MPN/100mL | 487.00 | +219% | Nov 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.27 mg/L | 1.00 | +27% | Oct 2024 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 1,986.30 MPN/100mL | 487.00 | +308% | Jul 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.09 mg/L | 1.00 | +9% | Jul 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.25 mg/L | 1.00 | +25% | Jun 2024 | Open |
| SSO, Dry Weather | DMR, Limited - Numeric Violation | 0.07 occur/d | 0.00 | +2,147,483,650% | May 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 648.80 MPN/100mL | 487.00 | +33% | May 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 866.40 MPN/100mL | 487.00 | +78% | Apr 2024 | Open |
| SSO, Wet Weather | DMR, Limited - Numeric Violation | 0.10 occur/d | 0.00 | +2,147,483,650% | Mar 2024 | Open |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.
Administrative - Formal
· Case 04-2018-4751 · Apr 26, 2018
Administrative - Formal
· Case 04-2014-4506 · Sep 30, 2014
$76,800
Administrative - Formal
· Case 04-2014-4752 · Sep 11, 2014
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· Manufacturing
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